Before checking the date online, you need your device’s unique identifier. Use any of the following methods to find it:
What it shows: official purchase date — typically the first sale and often the activation timeframe. Limitations: If purchased second-hand, this shows the original purchase, not your first activation. how to check activation date of xiaomi phone
Dial *#06# on your phone's keypad or check the back of the box. Before checking the date online, you need your